257043588

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{19963}}^1$

素因数の和:20036

約数の個数: 48

約数和(自身を含む): 637250880

約数和(自身を除く): 380207292

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 2146, 3219, 4292, 6438, 12876, 19963, 39926, 59889, 79852, 119778, 239556, 578927, 738631, 1157854, 1477262, 1736781, 2215893, 2315708, 2954524, 3473562, 4431786, 6947124, 8863572, 21420299, 42840598, 64260897, 85681196, 128521794, 257043588]

約数ペア:

[(1, 257043588), (2, 128521794), (3, 85681196), (4, 64260897), (6, 42840598), (12, 21420299), (29, 8863572), (37, 6947124), (58, 4431786), (74, 3473562), (87, 2954524), (111, 2315708), (116, 2215893), (148, 1736781), (174, 1477262), (222, 1157854), (348, 738631), (444, 578927), (1073, 239556), (2146, 119778), (3219, 79852), (4292, 59889), (6438, 39926), (12876, 19963)]